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collection of organs used to break down foods into energy and building material for the body
occurs when enzymes and other chemicals break down large food molecules into smaller ones
liquid secreted into the mouth that contains mucus and digestive enzymes that start chemical digestion
measure of how acidic or basic a solution is; the scale ranges from below 0 to above 14; solution with pH above 7 is basic and a pH below 7 is acidic
a substance that can soak up H⁺ ions, thus reducing acidity
also called alkaline/basic. Has a pH above 7
Fingerlike projections in the small intestine that increase surface area and maximize the absorption of nutrients.
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